Cathedral High School
🇨🇦 Official data · 2025Hamilton, Ontario L8L8H5 · Hamilton-Wentworth CDSB
#723 of 766 secondary schools in Ontario
#723 of 766 nationally
About Cathedral High School
Cathedral High School is a catholic secondary located in Hamilton, in the Hamilton-Wentworth CDSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 1,650 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 12.2 out of 100, placing it in the lower 50% of secondary schools in Canada and 723rd of 766 ranked secondary schools in Ontario. Its strongest component is eqao grade 9 mathematics (24th percentile), and its weakest is community advantage (fewer low-income households) (3th percentile).
Other published figures: enrolment 1,650; first language not english 27%; special education 21%; identified as gifted 0%.
There are 123 schools in Hamilton; Cathedral High School ranks 87th of 99 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against secondary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)–
- EQAO Grade 6 (reading, writing, maths) (25%)–
- EQAO Grade 9 mathematics (25%)43%
- OSSLT first-attempt pass rate (20%)64%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)20%
- Parent education (fewer parents without a credential) (10%)14%
The Success Index (Canada) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Cathedral High School by the official sources.
- Enrolment
- 1,650
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 43%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 64%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 20%
- % of students living in low-income households.
- Parents without a credential
- 14%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 27%
- % of students whose first language is not English.
- Special education
- 21%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Cathedral High School
Closest schools by straight-line distance, with their Success Index (Canada).
St. Patrick Catholic Elementary School
Hamilton · Catholic elementary · Grades JK-8
405 students · 184 m away
Dr. J. Edgar Davey Elementary Public School
Hamilton · Public elementary · Grades JK-8
585 students · 867 m away
Cathy Wever Elementary Public School
Hamilton · Public elementary · Grades JK-8
540 students · 936 m away
Queen Victoria Elementary Public School
Hamilton · Public elementary · Grades JK-8
585 students · 965 m away
George L Armstrong Public School
Hamilton · Public elementary · Grades JK-8
420 students · 1.1 km away
Sacred Heart of Jesus Catholic Elementary School
Hamilton · Catholic elementary · Grades JK-8
235 students · 1.2 km away
Adelaide Hoodless Public School
Hamilton · Public elementary · Grades JK-8
580 students · 1.5 km away
St. Ann (Hamilton) Catholic Elementary School
Hamilton · Catholic elementary · Grades JK-8
375 students · 1.6 km away
Central Junior Public School
Hamilton · Public elementary · Grades JK-5
320 students · 1.6 km away
Prince of Wales Elementary Public School
Hamilton · Public elementary · Grades JK-8
540 students · 1.8 km away
Similar schools
Catholic secondary schools in Ontario with a comparable Enrolment.
St. John Henry Newman Catholic Secondary School
Stoney Creek · Catholic secondary · Grades 9-12
1,640 students
St. Francis Xavier (9-12) Catholic School
Gloucester · Catholic secondary · Grades 9-12
1,665 students
St Aloysius Gonzaga Secondary School
Mississauga · Catholic secondary · Grades 9-12
1,625 students
St. Jean de Brebeuf Catholic Secondary School
Hamilton · Catholic secondary · Grades 9-12
1,615 students
Robert F Hall Catholic Secondary School
Caledon East · Catholic secondary · Grades 9-12
1,595 students
St Robert Catholic High School
Thornhill · Catholic secondary · Grades 9-12
1,705 students
Frequently asked questions
Is Cathedral High School a good school?
Cathedral High School has a Success Index (Canada) of 12.2 out of 100 (Lower 50% of secondary schools in Canada) and ranks #723 of 766 in Ontario. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Cathedral High School rank in Ontario?
Cathedral High School ranks #723 of 766 secondary schools in Ontario and #723 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Cathedral High School?
Cathedral High School had 1,650 students in 2025.
Is Cathedral High School a elementary school or a secondary school?
Cathedral High School is classified as a secondary covering Grades 9-12. It is a catholic school.
What other schools are near Cathedral High School?
There are 10 schools within 15 km of Cathedral High School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.